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AWS ENi-1 vs. ZK51A Magnesium

AWS ENi-1 belongs to the nickel alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS ENi-1 and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
45
Elongation at Break, % 22
4.7
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
18
Tensile Strength: Ultimate (UTS), MPa 470
240

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1310
550
Specific Heat Capacity, J/kg-K 450
970
Thermal Conductivity, W/m-K 73
110
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
28
Electrical Conductivity: Equal Weight (Specific), % IACS 19
140

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.7
1.8
Embodied Carbon, kg CO2/kg material 11
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 230
940

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
64
Strength to Weight: Axial, points 15
36
Strength to Weight: Bending, points 15
47
Thermal Diffusivity, mm2/s 19
61
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 1.0
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.75
0
Magnesium (Mg), % 0
93.1 to 95.9
Manganese (Mn), % 0 to 0.75
0
Nickel (Ni), % 92 to 99
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 1.0 to 4.0
0
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3